Pomona CA, US: 34.0667, -117.7506
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 21, 2019, 6 p.m. | 13.3 ppb (12) | 2.4 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 55.0 ppb (42) | 0.33 ppb (4) | N/A | N/A | 42.0 | |
| Sept. 21, 2019, 5 p.m. | 30.2 ppb (28) | 8.3 ppb (8) | N/A | 22.0 ppb (20) | N/A | N/A | 38.0 ppb (29) | 0.44 ppb (5) | N/A | N/A | 29.0 | |
| Sept. 21, 2019, 4 p.m. | 52.6 ppb (49) | 20.1 ppb (19) | N/A | 33.0 ppb (31) | N/A | N/A | 20.0 ppb (15) | 0.66 ppb (7) | N/A | N/A | 49.0 | |
| Sept. 21, 2019, 3 p.m. | 55.2 ppb (51) | 24.4 ppb (23) | N/A | 31.0 ppb (29) | N/A | N/A | 14.0 ppb (11) | 0.68 ppb (8) | N/A | N/A | 51.0 | |
| Sept. 21, 2019, 2 p.m. | 62.8 ppb (59) | 35.0 ppb (32) | N/A | 28.0 ppb (26) | N/A | N/A | 7.0 ppb (5) | 0.69 ppb (8) | N/A | N/A | 59.0 | |
| Sept. 21, 2019, 1 p.m. | 49.1 ppb (45) | 21.2 ppb (20) | N/A | 28.0 ppb (26) | N/A | N/A | 4.0 ppb (3) | 0.59 ppb (7) | N/A | N/A | 45.0 | |
| Sept. 21, 2019, noon | 39.8 ppb (37) | 12.5 ppb (12) | N/A | 27.0 ppb (25) | N/A | N/A | 4.0 ppb (3) | 0.56 ppb (6) | N/A | N/A | 37.0 | |
| Sept. 21, 2019, 11 a.m. | 28.6 ppb (26) | 4.0 ppb (4) | N/A | 25.0 ppb (23) | N/A | N/A | 5.0 ppb (4) | 0.46 ppb (5) | N/A | N/A | 26.0 | |
| Sept. 21, 2019, 10 a.m. | 26.6 ppb (25) | 3.1 ppb (3) | N/A | 24.0 ppb (22) | N/A | N/A | 8.0 ppb (6) | 0.46 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 21, 2019, 9 a.m. | 31.2 ppb (29) | 5.2 ppb (5) | N/A | 26.0 ppb (24) | N/A | N/A | 5.0 ppb (4) | 0.45 ppb (5) | N/A | N/A | 29.0 | |
| Sept. 21, 2019, 8 a.m. | 31.0 ppb (29) | 4.5 ppb (4) | N/A | 27.0 ppb (25) | N/A | N/A | 5.0 ppb (4) | 0.49 ppb (5) | N/A | N/A | 29.0 | |
| Sept. 21, 2019, 7 a.m. | 32.5 ppb (30) | 5.3 ppb (5) | N/A | 27.0 ppb (25) | N/A | N/A | 9.0 ppb (7) | 0.51 ppb (6) | N/A | N/A | 30.0 | |
| Sept. 21, 2019, 6 a.m. | 24.2 ppb (22) | 3.7 ppb (3) | N/A | 21.0 ppb (19) | N/A | N/A | 14.0 ppb (11) | 0.49 ppb (5) | N/A | N/A | 22.0 | |
| Sept. 21, 2019, 5 a.m. | 22.5 ppb (21) | 2.9 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 16.0 ppb (12) | 0.35 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 21, 2019, 4 a.m. | 19.9 ppb (18) | 2.2 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | 19.0 ppb (15) | 0.31 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 21, 2019, 3 a.m. | 19.4 ppb (18) | 2.2 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 24.0 ppb (18) | 0.34 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 21, 2019, 2 a.m. | 19.8 ppb (18) | 1.5 ppb (1) | N/A | 18.0 ppb (17) | N/A | N/A | 27.0 ppb (21) | 0.32 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 21, 2019, 1 a.m. | 11.9 ppb (11) | 1.2 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 34.0 ppb (26) | 0.28 ppb (3) | N/A | N/A | 26.0 | |
| Sept. 21, 2019, midnight | 10.9 ppb (10) | 1.7 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | 44.0 ppb (34) | 0.25 ppb (3) | N/A | N/A | 34.0 | |
| Sept. 20, 2019, 11 p.m. | 12.0 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 50.0 ppb (38) | 0.27 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 20, 2019, 10 p.m. | 10.8 ppb (10) | 1.9 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | 56.0 ppb (43) | 0.26 ppb (3) | N/A | N/A | 43.0 | |
| Sept. 20, 2019, 9 p.m. | 10.3 ppb (10) | 2.1 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | 52.0 ppb (40) | 0.25 ppb (3) | N/A | N/A | 40.0 | |
| Sept. 20, 2019, 8 p.m. | 9.2 ppb (9) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 47.0 ppb (36) | 0.24 ppb (3) | N/A | N/A | 36.0 | |
| Sept. 20, 2019, 7 p.m. | 13.0 ppb (12) | 3.8 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | 37.0 ppb (28) | 0.25 ppb (3) | N/A | N/A | 28.0 | |
| Sept. 20, 2019, 6 p.m. | 14.4 ppb (13) | 4.8 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | 32.0 ppb (25) | 0.25 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 20, 2019, 5 p.m. | 16.1 ppb (15) | 6.0 ppb (6) | N/A | 10.0 ppb (9) | N/A | N/A | 26.0 ppb (20) | 0.28 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 20, 2019, 4 p.m. | 14.5 ppb (13) | 4.9 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | 23.0 ppb (18) | 0.24 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 19, 2019, 4 p.m. | 10.5 ppb (10) | 3.4 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | 0.22 ppb (2) | N/A | N/A | 20.0 | |
| Sept. 19, 2019, 3 p.m. | 21.0 ppb (19) | 6.4 ppb (6) | N/A | 15.0 ppb (14) | N/A | N/A | 18.0 ppb (14) | 0.27 ppb (3) | N/A | N/A | 19.0 | |
| Sept. 19, 2019, 2 p.m. | 40.7 ppb (38) | 19.8 ppb (18) | N/A | 21.0 ppb (19) | N/A | N/A | 12.0 ppb (9) | 0.31 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 19, 2019, 1 p.m. | 19.9 ppb (18) | 4.2 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | 13.0 ppb (10) | 0.27 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 19, 2019, noon | 24.8 ppb (23) | 4.7 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | 9.0 ppb (7) | 0.29 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 19, 2019, 11 a.m. | 15.0 ppb (14) | 2.3 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | 15.0 ppb (12) | 0.19 ppb (2) | N/A | N/A | 14.0 | |
| Sept. 19, 2019, 10 a.m. | 11.7 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 16.0 ppb (12) | 0.19 ppb (2) | N/A | N/A | 12.0 | |
| Sept. 19, 2019, 9 a.m. | 26.2 ppb (24) | 4.9 ppb (5) | N/A | 21.0 ppb (19) | N/A | N/A | 7.0 ppb (5) | 0.28 ppb (3) | N/A | N/A | 24.0 | |
| Sept. 19, 2019, 8 a.m. | 46.0 ppb (43) | 17.6 ppb (16) | N/A | 28.0 ppb (26) | N/A | N/A | 4.0 ppb (3) | 0.39 ppb (4) | N/A | N/A | 43.0 | |
| Sept. 19, 2019, 7 a.m. | 23.2 ppb (21) | 3.5 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 8.0 ppb (6) | 0.32 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 19, 2019, 6 a.m. | 21.2 ppb (20) | 3.0 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 11.0 ppb (8) | 0.31 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 19, 2019, 5 a.m. | 23.1 ppb (21) | 3.2 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 11.0 ppb (8) | 0.28 ppb (3) | N/A | N/A | 21.0 | |
| Sept. 19, 2019, 4 a.m. | 18.7 ppb (17) | 2.2 ppb (2) | N/A | 16.0 ppb (15) | N/A | N/A | 15.0 ppb (12) | 0.26 ppb (3) | N/A | N/A | 17.0 | |
| Sept. 19, 2019, 3 a.m. | 12.3 ppb (11) | 1.4 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 20.0 ppb (15) | 0.23 ppb (3) | N/A | N/A | 15.0 | |
| Sept. 19, 2019, 2 a.m. | 12.1 ppb (11) | 2.1 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | 22.0 ppb (17) | 0.22 ppb (2) | N/A | N/A | 17.0 | |
| Sept. 19, 2019, 1 a.m. | 9.8 ppb (9) | 1.4 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 30.0 ppb (23) | 0.2 ppb (2) | N/A | N/A | 23.0 | |
| Sept. 19, 2019, midnight | 7.3 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 40.0 ppb (31) | 0.2 ppb (2) | N/A | N/A | 31.0 | |
| Sept. 18, 2019, 11 p.m. | 5.3 ppb (5) | 0.9 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 49.0 ppb (38) | 0.2 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 18, 2019, 10 p.m. | 5.4 ppb (5) | 1.2 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 51.0 ppb (39) | 0.21 ppb (2) | N/A | N/A | 39.0 | |
| Sept. 18, 2019, 9 p.m. | 6.6 ppb (6) | 1.3 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 53.0 ppb (41) | 0.24 ppb (3) | N/A | N/A | 41.0 | |
| Sept. 18, 2019, 8 p.m. | 7.0 ppb (6) | 1.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 52.0 ppb (40) | 0.23 ppb (3) | N/A | N/A | 40.0 | |
| Sept. 18, 2019, 7 p.m. | 9.3 ppb (9) | 2.5 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 43.0 ppb (33) | 0.22 ppb (2) | N/A | N/A | 33.0 | |
| Sept. 18, 2019, 6 p.m. | 14.1 ppb (13) | 3.9 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | 36.0 ppb (28) | 0.26 ppb (3) | N/A | N/A | 28.0 | |
| Sept. 18, 2019, 5 p.m. | 19.8 ppb (18) | 6.2 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | 31.0 ppb (24) | 0.3 ppb (3) | N/A | N/A | 24.0 | |
| Sept. 18, 2019, 4 p.m. | 23.2 ppb (21) | 7.5 ppb (7) | N/A | 16.0 ppb (15) | N/A | N/A | 26.0 ppb (20) | 0.35 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 18, 2019, 3 p.m. | 31.3 ppb (29) | 11.9 ppb (11) | N/A | 19.0 ppb (18) | N/A | N/A | 18.0 ppb (14) | 0.4 ppb (4) | N/A | N/A | 29.0 | |
| Sept. 18, 2019, 2 p.m. | 70.3 ppb (67) | 43.1 ppb (40) | N/A | 27.0 ppb (25) | N/A | N/A | 8.0 ppb (6) | 0.56 ppb (6) | N/A | N/A | 67.0 | |
| Sept. 18, 2019, 1 p.m. | 61.0 ppb (57) | 32.1 ppb (30) | N/A | 29.0 ppb (27) | N/A | N/A | 4.0 ppb (3) | 0.55 ppb (6) | N/A | N/A | 57.0 | |
| Sept. 18, 2019, noon | 57.7 ppb (54) | 28.5 ppb (26) | N/A | 29.0 ppb (27) | N/A | N/A | 4.0 ppb (3) | 0.57 ppb (6) | N/A | N/A | 54.0 | |
| Sept. 18, 2019, 11 a.m. | 43.0 ppb (40) | 15.1 ppb (14) | N/A | 28.0 ppb (26) | N/A | N/A | 4.0 ppb (3) | 0.42 ppb (5) | N/A | N/A | 40.0 | |
| Sept. 18, 2019, 10 a.m. | 41.0 ppb (38) | 14.0 ppb (13) | N/A | 27.0 ppb (25) | N/A | N/A | 4.0 ppb (3) | 0.42 ppb (5) | N/A | N/A | 38.0 | |
| Sept. 18, 2019, 9 a.m. | 32.3 ppb (30) | 4.7 ppb (4) | N/A | 28.0 ppb (26) | N/A | N/A | 5.0 ppb (4) | 0.36 ppb (4) | N/A | N/A | 30.0 | |
| Sept. 18, 2019, 8 a.m. | 35.3 ppb (33) | 5.5 ppb (5) | N/A | 30.0 ppb (28) | N/A | N/A | 4.0 ppb (3) | 0.37 ppb (4) | N/A | N/A | 33.0 | |
| Sept. 18, 2019, 7 a.m. | 30.8 ppb (29) | 3.1 ppb (3) | N/A | 28.0 ppb (26) | N/A | N/A | 9.0 ppb (7) | 0.35 ppb (4) | N/A | N/A | 29.0 | |
| Sept. 18, 2019, 6 a.m. | 24.5 ppb (23) | 2.3 ppb (2) | N/A | 22.0 ppb (20) | N/A | N/A | 15.0 ppb (12) | 0.3 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 18, 2019, 5 a.m. | 17.7 ppb (16) | 1.2 ppb (1) | N/A | 16.0 ppb (15) | N/A | N/A | 22.0 ppb (17) | 0.28 ppb (3) | N/A | N/A | 17.0 | |
| Sept. 18, 2019, 4 a.m. | 14.1 ppb (13) | 0.9 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 28.0 ppb (22) | 0.28 ppb (3) | N/A | N/A | 22.0 | |
| Sept. 18, 2019, 3 a.m. | 17.2 ppb (16) | 1.2 ppb (1) | N/A | 16.0 ppb (15) | N/A | N/A | 30.0 ppb (23) | 0.29 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 18, 2019, 2 a.m. | 12.2 ppb (11) | 1.5 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 26.0 ppb (20) | 0.24 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 18, 2019, midnight | 7.5 ppb (7) | 1.5 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 38.0 ppb (29) | 0.19 ppb (2) | N/A | N/A | 29.0 | |
| Sept. 17, 2019, 11 p.m. | 5.8 ppb (5) | 1.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 46.0 ppb (35) | 0.2 ppb (2) | N/A | N/A | 35.0 | |
| Sept. 17, 2019, 10 p.m. | 7.4 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 49.0 ppb (38) | 0.21 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 17, 2019, 9 p.m. | 6.9 ppb (6) | 1.7 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 49.0 ppb (38) | 0.24 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 17, 2019, 8 p.m. | 9.2 ppb (9) | 2.2 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 46.0 ppb (35) | 0.23 ppb (3) | N/A | N/A | 35.0 | |
| Sept. 17, 2019, 7 p.m. | 11.4 ppb (11) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | 43.0 ppb (33) | 0.25 ppb (3) | N/A | N/A | 33.0 | |
| Sept. 17, 2019, 6 p.m. | 13.3 ppb (12) | 3.4 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 38.0 ppb (29) | 0.25 ppb (3) | N/A | N/A | 29.0 | |
| Sept. 17, 2019, 5 p.m. | 16.6 ppb (15) | 5.0 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | 34.0 ppb (26) | 0.25 ppb (3) | N/A | N/A | 26.0 | |
| Sept. 17, 2019, 4 p.m. | 42.7 ppb (40) | 17.4 ppb (16) | N/A | 25.0 ppb (23) | N/A | N/A | 20.0 ppb (15) | 0.45 ppb (5) | N/A | N/A | 40.0 | |
| Sept. 17, 2019, 3 p.m. | 44.5 ppb (41) | 20.3 ppb (19) | N/A | 24.0 ppb (22) | N/A | N/A | 14.0 ppb (11) | 0.48 ppb (5) | N/A | N/A | 41.0 | |
| Sept. 17, 2019, 2 p.m. | 74.4 ppb (72) | 46.2 ppb (43) | N/A | 28.0 ppb (26) | N/A | N/A | 6.0 ppb (5) | 0.74 ppb (8) | N/A | N/A | 72.0 | |
| Sept. 17, 2019, 1 p.m. | 49.8 ppb (46) | 24.5 ppb (23) | N/A | 25.0 ppb (23) | N/A | N/A | 4.0 ppb (3) | 0.53 ppb (6) | N/A | N/A | 46.0 | |
| Sept. 17, 2019, noon | 45.8 ppb (42) | 18.4 ppb (17) | N/A | 27.0 ppb (25) | N/A | N/A | 4.0 ppb (3) | 0.4 ppb (4) | N/A | N/A | 42.0 | |
| Sept. 17, 2019, 11 a.m. | 37.5 ppb (35) | 13.2 ppb (12) | N/A | 24.0 ppb (22) | N/A | N/A | 5.0 ppb (4) | 0.35 ppb (4) | N/A | N/A | 35.0 | |
| Sept. 17, 2019, 10 a.m. | 39.4 ppb (36) | 15.7 ppb (15) | N/A | 24.0 ppb (22) | N/A | N/A | 4.0 ppb (3) | 0.39 ppb (4) | N/A | N/A | 36.0 | |
| Sept. 17, 2019, 9 a.m. | 17.0 ppb (16) | 1.9 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | 9.0 ppb (7) | 0.27 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 17, 2019, 8 a.m. | 14.1 ppb (13) | 1.6 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 13.0 ppb (10) | 0.25 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 17, 2019, 7 a.m. | 13.5 ppb (12) | 0.9 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 18.0 ppb (14) | 0.24 ppb (3) | N/A | N/A | 14.0 | |
| Sept. 17, 2019, 6 a.m. | 11.9 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 20.0 ppb (15) | 0.25 ppb (3) | N/A | N/A | 15.0 | |
| Sept. 17, 2019, 5 a.m. | 9.3 ppb (9) | 0.9 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 24.0 ppb (18) | 0.21 ppb (2) | N/A | N/A | 18.0 | |
| Sept. 17, 2019, 4 a.m. | 8.8 ppb (8) | 1.1 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 25.0 ppb (19) | 0.22 ppb (2) | N/A | N/A | 19.0 | |
| Sept. 17, 2019, 3 a.m. | 14.2 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 25.0 ppb (19) | 0.26 ppb (3) | N/A | N/A | 19.0 | |
| Sept. 17, 2019, 2 a.m. | 12.7 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 29.0 ppb (22) | 0.25 ppb (3) | N/A | N/A | 22.0 | |
| Sept. 17, 2019, 1 a.m. | 8.4 ppb (8) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 35.0 ppb (27) | 0.22 ppb (2) | N/A | N/A | 27.0 | |
| Sept. 17, 2019, midnight | 9.4 ppb (9) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 41.0 ppb (32) | 0.2 ppb (2) | N/A | N/A | 32.0 | |
| Sept. 16, 2019, 11 p.m. | 6.6 ppb (6) | 1.5 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 48.0 ppb (37) | 0.21 ppb (2) | N/A | N/A | 37.0 | |
| Sept. 16, 2019, 10 p.m. | 5.7 ppb (5) | 1.5 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 50.0 ppb (38) | 0.2 ppb (2) | N/A | N/A | 38.0 | |
| Sept. 16, 2019, 9 p.m. | 7.5 ppb (7) | 1.8 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 51.0 ppb (39) | 0.22 ppb (2) | N/A | N/A | 39.0 | |
| Sept. 16, 2019, 8 p.m. | 9.3 ppb (9) | 2.1 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 52.0 ppb (40) | 0.25 ppb (3) | N/A | N/A | 40.0 | |
| Sept. 16, 2019, 7 p.m. | 22.3 ppb (21) | 6.1 ppb (6) | N/A | 16.0 ppb (15) | N/A | N/A | 42.0 ppb (32) | 0.36 ppb (4) | N/A | N/A | 32.0 | |
| Sept. 16, 2019, 6 p.m. | 44.0 ppb (41) | 13.4 ppb (12) | N/A | 31.0 ppb (29) | N/A | N/A | 24.0 ppb (18) | 0.55 ppb (6) | N/A | N/A | 41.0 | |
| Sept. 16, 2019, 5 p.m. | 46.2 ppb (43) | 14.3 ppb (13) | N/A | 32.0 ppb (30) | N/A | N/A | 25.0 ppb (19) | 0.51 ppb (6) | N/A | N/A | 43.0 | |
| Sept. 16, 2019, 4 p.m. | 80.4 ppb (78) | 39.2 ppb (36) | N/A | 41.0 ppb (38) | N/A | N/A | 13.0 ppb (10) | 0.79 ppb (9) | N/A | N/A | 78.0 | |
| Sept. 16, 2019, 3 p.m. | 80.4 ppb (78) | 45.7 ppb (42) | N/A | 35.0 ppb (32) | N/A | N/A | 7.0 ppb (5) | 0.83 ppb (9) | N/A | N/A | 78.0 | |
| Sept. 16, 2019, 2 p.m. | 68.7 ppb (66) | 36.6 ppb (34) | N/A | 32.0 ppb (30) | N/A | N/A | 5.0 ppb (4) | 0.77 ppb (9) | N/A | N/A | 66.0 | |
| Sept. 16, 2019, 1 p.m. | 52.9 ppb (49) | 27.6 ppb (26) | N/A | 25.0 ppb (23) | N/A | N/A | 4.0 ppb (3) | 0.68 ppb (8) | N/A | N/A | 49.0 | |
| Sept. 16, 2019, noon | 44.3 ppb (41) | 17.8 ppb (16) | N/A | 27.0 ppb (25) | N/A | N/A | 4.0 ppb (3) | 0.56 ppb (6) | N/A | N/A | 41.0 | |
| Sept. 16, 2019, 11 a.m. | 24.0 ppb (22) | 5.1 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 10.0 ppb (8) | 0.41 ppb (5) | N/A | N/A | 22.0 | |
| Sept. 16, 2019, 10 a.m. | 30.1 ppb (28) | 3.4 ppb (3) | N/A | 27.0 ppb (25) | N/A | N/A | 6.0 ppb (5) | 0.47 ppb (5) | N/A | N/A | 28.0 | |
| Sept. 16, 2019, 9 a.m. | 21.0 ppb (19) | 1.7 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | 14.0 ppb (11) | 0.38 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 16, 2019, 8 a.m. | 18.5 ppb (17) | 1.7 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 14.0 ppb (11) | 0.36 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 16, 2019, 7 a.m. | 26.9 ppb (25) | 2.2 ppb (2) | N/A | 25.0 ppb (23) | N/A | N/A | 11.0 ppb (8) | 0.47 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 16, 2019, 6 a.m. | 35.1 ppb (32) | 4.7 ppb (4) | N/A | 30.0 ppb (28) | N/A | N/A | 8.0 ppb (6) | 0.61 ppb (7) | N/A | N/A | 32.0 | |
| Sept. 16, 2019, 5 a.m. | 25.3 ppb (23) | 2.0 ppb (2) | N/A | 23.0 ppb (21) | N/A | N/A | 16.0 ppb (12) | 0.52 ppb (6) | N/A | N/A | 23.0 | |
| Sept. 16, 2019, 4 a.m. | 14.8 ppb (14) | 1.0 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | 26.0 ppb (20) | 0.35 ppb (4) | N/A | N/A | 20.0 | |
| Sept. 16, 2019, 3 a.m. | 13.8 ppb (13) | 1.0 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 33.0 ppb (25) | 0.35 ppb (4) | N/A | N/A | 25.0 | |
| Sept. 16, 2019, 2 a.m. | 12.4 ppb (11) | 1.2 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 40.0 ppb (31) | 0.34 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 16, 2019, 1 a.m. | 7.9 ppb (7) | 0.7 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 48.0 ppb (37) | 0.27 ppb (3) | N/A | N/A | 37.0 | |
| Sept. 16, 2019, midnight | 9.3 ppb (9) | 1.4 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 50.0 ppb (38) | 0.24 ppb (3) | N/A | N/A | 38.0 | |
| Sept. 15, 2019, 11 p.m. | 10.4 ppb (10) | 4.2 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | 55.0 ppb (42) | 0.23 ppb (3) | N/A | N/A | 42.0 | |
| Sept. 15, 2019, 10 p.m. | 5.2 ppb (5) | 0.8 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 59.0 ppb (45) | 0.26 ppb (3) | N/A | N/A | 45.0 | |
| Sept. 15, 2019, 9 p.m. | 6.5 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 63.0 ppb (48) | 0.28 ppb (3) | N/A | N/A | 48.0 | |
| Sept. 15, 2019, 8 p.m. | 6.1 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 71.0 ppb (55) | 0.3 ppb (3) | N/A | N/A | 55.0 | |
| Sept. 15, 2019, 7 p.m. | 4.3 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 68.0 ppb (52) | 0.25 ppb (3) | N/A | N/A | 52.0 | |
| Sept. 15, 2019, 6 p.m. | 16.5 ppb (15) | 2.3 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 61.0 ppb (47) | 0.39 ppb (4) | N/A | N/A | 47.0 | |
| Sept. 15, 2019, 5 p.m. | 41.3 ppb (38) | 8.9 ppb (8) | N/A | 32.0 ppb (30) | N/A | N/A | 35.0 ppb (27) | 0.59 ppb (7) | N/A | N/A | 38.0 | |
| Sept. 15, 2019, 4 p.m. | 49.6 ppb (46) | 12.3 ppb (11) | N/A | 37.0 ppb (34) | N/A | N/A | 24.0 ppb (18) | 0.64 ppb (7) | N/A | N/A | 46.0 | |
| Sept. 15, 2019, 3 p.m. | 53.5 ppb (50) | 17.6 ppb (16) | N/A | 36.0 ppb (33) | N/A | N/A | 14.0 ppb (11) | 0.68 ppb (8) | N/A | N/A | 50.0 | |
| Sept. 15, 2019, 2 p.m. | 37.3 ppb (35) | 10.2 ppb (9) | N/A | 27.0 ppb (25) | N/A | N/A | 11.0 ppb (8) | 0.57 ppb (6) | N/A | N/A | 35.0 | |
| Sept. 15, 2019, 1 p.m. | 38.6 ppb (36) | 7.4 ppb (7) | N/A | 31.0 ppb (29) | N/A | N/A | 6.0 ppb (5) | 0.57 ppb (6) | N/A | N/A | 36.0 | |
| Sept. 15, 2019, noon | 23.6 ppb (22) | 1.6 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | 14.0 ppb (11) | 0.41 ppb (5) | N/A | N/A | 22.0 | |
| Sept. 15, 2019, 11 a.m. | 27.9 ppb (26) | 1.4 ppb (1) | N/A | 27.0 ppb (25) | N/A | N/A | 13.0 ppb (10) | 0.46 ppb (5) | N/A | N/A | 26.0 | |
| Sept. 15, 2019, 10 a.m. | 32.1 ppb (30) | 1.5 ppb (1) | N/A | 31.0 ppb (29) | N/A | N/A | 14.0 ppb (11) | 0.58 ppb (6) | N/A | N/A | 30.0 | |
| Sept. 15, 2019, 9 a.m. | 35.1 ppb (32) | 2.5 ppb (2) | N/A | 33.0 ppb (31) | N/A | N/A | 14.0 ppb (11) | 0.66 ppb (7) | N/A | N/A | 32.0 | |
| Sept. 15, 2019, 8 a.m. | 48.3 ppb (45) | 6.2 ppb (6) | N/A | 42.0 ppb (39) | N/A | N/A | 6.0 ppb (5) | 0.85 ppb (9) | N/A | N/A | 45.0 | |
| Sept. 15, 2019, 7 a.m. | 34.3 ppb (32) | 2.0 ppb (2) | N/A | 32.0 ppb (30) | N/A | N/A | 13.0 ppb (10) | 0.69 ppb (8) | N/A | N/A | 32.0 | |
| Sept. 15, 2019, 6 a.m. | 48.9 ppb (45) | 7.2 ppb (7) | N/A | 42.0 ppb (39) | N/A | N/A | 10.0 ppb (8) | 0.83 ppb (9) | N/A | N/A | 45.0 | |
| Sept. 15, 2019, 5 a.m. | 40.5 ppb (38) | 5.7 ppb (5) | N/A | 35.0 ppb (32) | N/A | N/A | 12.0 ppb (9) | 0.75 ppb (8) | N/A | N/A | 38.0 | |
| Sept. 15, 2019, 4 a.m. | 22.6 ppb (21) | 1.8 ppb (2) | N/A | 21.0 ppb (19) | N/A | N/A | 25.0 ppb (19) | 0.48 ppb (5) | N/A | N/A | 21.0 | |
| Sept. 15, 2019, 3 a.m. | 13.2 ppb (12) | 0.8 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 37.0 ppb (28) | 0.34 ppb (4) | N/A | N/A | 28.0 | |
| Sept. 15, 2019, 2 a.m. | 13.6 ppb (13) | 1.5 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 45.0 ppb (35) | 0.36 ppb (4) | N/A | N/A | 35.0 | |
| Sept. 15, 2019, 1 a.m. | 10.5 ppb (10) | 0.4 ppb (0) | N/A | 10.0 ppb (9) | N/A | N/A | 65.0 ppb (50) | 0.3 ppb (3) | N/A | N/A | 50.0 | |
| Sept. 15, 2019, midnight | 7.0 ppb (6) | 0.4 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 77.0 ppb (60) | 0.27 ppb (3) | N/A | N/A | 60.0 | |
| Sept. 14, 2019, 11 p.m. | 10.3 ppb (10) | 0.6 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 93.0 ppb (73) | 0.34 ppb (4) | N/A | N/A | 73.0 | |
| Sept. 14, 2019, 10 p.m. | 7.1 ppb (7) | 0.2 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | 95.0 ppb (75) | 0.38 ppb (4) | N/A | N/A | 75.0 | |
| Sept. 14, 2019, 9 p.m. | 12.0 ppb (11) | 0.6 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 97.0 ppb (77) | 0.47 ppb (5) | N/A | N/A | 77.0 | |
| Sept. 14, 2019, 8 p.m. | 11.5 ppb (11) | 0.9 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 94.0 ppb (74) | 0.43 ppb (5) | N/A | N/A | 74.0 | |
| Sept. 14, 2019, 7 p.m. | 13.6 ppb (13) | 1.4 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 81.0 ppb (63) | 0.39 ppb (4) | N/A | N/A | 63.0 | |
| Sept. 14, 2019, 6 p.m. | 16.1 ppb (15) | 2.1 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 69.0 ppb (53) | 0.4 ppb (4) | N/A | N/A | 53.0 | |
| Sept. 14, 2019, 5 p.m. | 44.1 ppb (41) | 9.4 ppb (9) | N/A | 35.0 ppb (32) | N/A | N/A | 46.0 ppb (35) | 0.55 ppb (6) | N/A | N/A | 41.0 | |
| Sept. 14, 2019, 4 p.m. | 59.3 ppb (56) | 17.5 ppb (16) | N/A | 42.0 ppb (39) | N/A | N/A | 28.0 ppb (22) | 0.65 ppb (7) | N/A | N/A | 56.0 | |
| Sept. 14, 2019, 3 p.m. | 74.3 ppb (72) | 29.4 ppb (27) | N/A | 45.0 ppb (42) | N/A | N/A | 16.0 ppb (12) | 0.69 ppb (8) | N/A | N/A | 72.0 | |
| Sept. 14, 2019, 2 p.m. | 69.5 ppb (66) | 31.4 ppb (29) | N/A | 38.0 ppb (35) | N/A | N/A | 8.0 ppb (6) | 0.82 ppb (9) | N/A | N/A | 66.0 | |
| Sept. 14, 2019, 1 p.m. | 55.9 ppb (52) | 17.0 ppb (16) | N/A | 39.0 ppb (36) | N/A | N/A | 4.0 ppb (3) | 0.62 ppb (7) | N/A | N/A | 52.0 | |
| Sept. 14, 2019, noon | 39.2 ppb (36) | 4.2 ppb (4) | N/A | 35.0 ppb (32) | N/A | N/A | 6.0 ppb (5) | 0.5 ppb (6) | N/A | N/A | 36.0 | |
| Sept. 14, 2019, 11 a.m. | 55.8 ppb (52) | 15.8 ppb (15) | N/A | 40.0 ppb (37) | N/A | N/A | 4.0 ppb (3) | 0.67 ppb (7) | N/A | N/A | 52.0 | |
| Sept. 14, 2019, 10 a.m. | 49.3 ppb (46) | 9.3 ppb (9) | N/A | 40.0 ppb (37) | N/A | N/A | 4.0 ppb (3) | 0.62 ppb (7) | N/A | N/A | 46.0 | |
| Sept. 14, 2019, 9 a.m. | 35.9 ppb (33) | 1.9 ppb (2) | N/A | 34.0 ppb (31) | N/A | N/A | 12.0 ppb (9) | 0.5 ppb (6) | N/A | N/A | 33.0 | |
| Sept. 14, 2019, 8 a.m. | 53.0 ppb (49) | 10.4 ppb (10) | N/A | 43.0 ppb (40) | N/A | N/A | 7.0 ppb (5) | 0.67 ppb (7) | N/A | N/A | 49.0 | |
| Sept. 14, 2019, 7 a.m. | 70.7 ppb (68) | 24.1 ppb (22) | N/A | 47.0 ppb (44) | N/A | N/A | 4.0 ppb (3) | 0.83 ppb (9) | N/A | N/A | 68.0 | |
| Sept. 14, 2019, 6 a.m. | 63.1 ppb (60) | 15.5 ppb (14) | N/A | 48.0 ppb (44) | N/A | N/A | 4.0 ppb (3) | 0.71 ppb (8) | N/A | N/A | 60.0 | |
| Sept. 14, 2019, 5 a.m. | 49.6 ppb (46) | 4.2 ppb (4) | N/A | 45.0 ppb (42) | N/A | N/A | 7.0 ppb (5) | 0.61 ppb (7) | N/A | N/A | 46.0 | |
| Sept. 14, 2019, 4 a.m. | 29.6 ppb (27) | 1.9 ppb (2) | N/A | 28.0 ppb (26) | N/A | N/A | 23.0 ppb (18) | 0.49 ppb (5) | N/A | N/A | 27.0 | |
| Sept. 14, 2019, 3 a.m. | 32.2 ppb (30) | 2.3 ppb (2) | N/A | 30.0 ppb (28) | N/A | N/A | 28.0 ppb (22) | 0.56 ppb (6) | N/A | N/A | 30.0 | |
| Sept. 14, 2019, 2 a.m. | 21.3 ppb (20) | 1.7 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | 45.0 ppb (35) | 0.43 ppb (5) | N/A | N/A | 35.0 | |
| Sept. 14, 2019, 1 a.m. | 13.9 ppb (13) | 1.1 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 56.0 ppb (43) | 0.32 ppb (4) | N/A | N/A | 43.0 | |
| Sept. 14, 2019, midnight | 18.4 ppb (17) | 2.1 ppb (2) | N/A | 16.0 ppb (15) | N/A | N/A | 64.0 ppb (49) | 0.36 ppb (4) | N/A | N/A | 49.0 | |
| Sept. 13, 2019, 11 p.m. | 19.0 ppb (18) | 3.4 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | 75.0 ppb (58) | 0.33 ppb (4) | N/A | N/A | 58.0 | |
| Sept. 13, 2019, 10 p.m. | 13.6 ppb (13) | 1.5 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 79.0 ppb (62) | 0.34 ppb (4) | N/A | N/A | 62.0 | |
| Sept. 13, 2019, 9 p.m. | 17.6 ppb (16) | 1.9 ppb (2) | N/A | 16.0 ppb (15) | N/A | N/A | 80.0 ppb (62) | 0.41 ppb (5) | N/A | N/A | 62.0 | |
| Sept. 13, 2019, 8 p.m. | 17.2 ppb (16) | 2.1 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | 70.0 ppb (54) | 0.36 ppb (4) | N/A | N/A | 54.0 | |
| Sept. 13, 2019, 7 p.m. | 18.4 ppb (17) | 2.8 ppb (3) | N/A | 16.0 ppb (15) | N/A | N/A | 66.0 ppb (51) | 0.37 ppb (4) | N/A | N/A | 51.0 |